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Finding the Fourth Proportional to 5,796,641.91, 8,695,242.49 and 1,906,012.90

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Solution

The fourth proportional to 5,796,641.91, 8,695,242.49 and 1,906,012.90 is: 2,859,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,796,641.91 : 8,695,242.49 = 1,906,012.90 : x
  2. Step 2: Convert to fraction form
    5,796,641.91/8,695,242.49 = 1,906,012.90/x
  3. Step 3: Cross multiply
    5,796,641.91x = 8,695,242.49 × 1,906,012.90
  4. Step 4: Simplify right side
    5,796,641.91x = 16,573,244,331,749.46
  5. Step 5: Solve for x
    x = 16,573,244,331,749.46/5,796,641.91
  6. Step 6: Final answer
    x = 2,859,111.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.